/*
 * Copyright (C) 2014 Indeed Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the
 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing permissions and
 * limitations under the License.
 */
 package com.indeed.lsmtree.recordcache;

import java.io.File;
import java.io.IOException;
import java.util.Collection;
import java.util.Map;

/**
 * @author jchien
 */
public interface IRecordLogAppender<K, V> {
    long getLastPosition();

    int getMaxSegment();

    File getSegmentPath(int segment);

    void deleteDocs(final Collection<K> ids) throws IOException;

    long write(final K key, final V value) throws IOException;

    void putCheckpoint(long timestamp) throws IOException;

    void flushWriter(Map<String, String> metadata) throws IOException;
}
